./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_99898866-37f7-477e-a3d8-ac68c6b47187/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_99898866-37f7-477e-a3d8-ac68c6b47187/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_99898866-37f7-477e-a3d8-ac68c6b47187/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_99898866-37f7-477e-a3d8-ac68c6b47187/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_99898866-37f7-477e-a3d8-ac68c6b47187/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_99898866-37f7-477e-a3d8-ac68c6b47187/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 28a54042f1f5566756557cd1279c2453038441ec ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:45:47,774 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:45:47,775 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:45:47,782 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:45:47,782 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:45:47,783 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:45:47,784 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:45:47,785 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:45:47,787 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:45:47,788 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:45:47,789 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:45:47,789 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:45:47,790 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:45:47,790 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:45:47,791 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:45:47,792 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:45:47,792 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:45:47,794 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:45:47,796 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:45:47,797 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:45:47,798 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:45:47,799 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:45:47,801 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:45:47,801 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:45:47,801 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:45:47,802 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:45:47,803 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:45:47,804 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:45:47,805 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:45:47,805 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:45:47,806 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:45:47,806 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:45:47,806 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:45:47,806 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:45:47,808 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:45:47,809 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:45:47,809 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_99898866-37f7-477e-a3d8-ac68c6b47187/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:45:47,819 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:45:47,819 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:45:47,820 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:45:47,820 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:45:47,821 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:45:47,821 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:45:47,821 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:45:47,821 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:45:47,821 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:45:47,821 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:45:47,821 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:45:47,822 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:45:47,822 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:45:47,823 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:45:47,824 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:45:47,824 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:45:47,824 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:45:47,824 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:45:47,824 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:45:47,824 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:45:47,824 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:45:47,825 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:45:47,825 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:45:47,825 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:45:47,825 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:45:47,825 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:45:47,825 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:45:47,825 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:45:47,826 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:45:47,826 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:45:47,826 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:45:47,826 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:45:47,826 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:45:47,826 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:45:47,826 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:45:47,827 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:45:47,827 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:45:47,829 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_99898866-37f7-477e-a3d8-ac68c6b47187/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28a54042f1f5566756557cd1279c2453038441ec [2018-11-18 12:45:47,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:45:47,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:45:47,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:45:47,866 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:45:47,866 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:45:47,867 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_99898866-37f7-477e-a3d8-ac68c6b47187/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-11-18 12:45:47,908 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99898866-37f7-477e-a3d8-ac68c6b47187/bin-2019/utaipan/data/e320c06b7/1a173738f0324e07a7be0f7ded00fa1f/FLAGf9ba297b8 [2018-11-18 12:45:48,335 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:45:48,336 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_99898866-37f7-477e-a3d8-ac68c6b47187/sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-11-18 12:45:48,342 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99898866-37f7-477e-a3d8-ac68c6b47187/bin-2019/utaipan/data/e320c06b7/1a173738f0324e07a7be0f7ded00fa1f/FLAGf9ba297b8 [2018-11-18 12:45:48,350 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_99898866-37f7-477e-a3d8-ac68c6b47187/bin-2019/utaipan/data/e320c06b7/1a173738f0324e07a7be0f7ded00fa1f [2018-11-18 12:45:48,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:45:48,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:45:48,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:45:48,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:45:48,356 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:45:48,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:45:48" (1/1) ... [2018-11-18 12:45:48,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a0f02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:48, skipping insertion in model container [2018-11-18 12:45:48,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:45:48" (1/1) ... [2018-11-18 12:45:48,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:45:48,394 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:45:48,590 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:45:48,598 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:45:48,709 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:45:48,728 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:45:48,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:48 WrapperNode [2018-11-18 12:45:48,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:45:48,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:45:48,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:45:48,729 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:45:48,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:48" (1/1) ... [2018-11-18 12:45:48,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:48" (1/1) ... [2018-11-18 12:45:48,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:45:48,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:45:48,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:45:48,754 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:45:48,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:48" (1/1) ... [2018-11-18 12:45:48,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:48" (1/1) ... [2018-11-18 12:45:48,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:48" (1/1) ... [2018-11-18 12:45:48,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:48" (1/1) ... [2018-11-18 12:45:48,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:48" (1/1) ... [2018-11-18 12:45:48,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:48" (1/1) ... [2018-11-18 12:45:48,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:48" (1/1) ... [2018-11-18 12:45:48,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:45:48,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:45:48,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:45:48,778 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:45:48,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99898866-37f7-477e-a3d8-ac68c6b47187/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:45:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 12:45:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 12:45:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:45:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:45:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 12:45:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 12:45:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:45:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 12:45:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 12:45:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 12:45:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 12:45:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 12:45:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 12:45:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 12:45:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 12:45:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 12:45:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 12:45:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 12:45:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 12:45:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 12:45:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 12:45:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 12:45:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 12:45:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 12:45:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 12:45:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 12:45:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 12:45:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 12:45:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 12:45:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 12:45:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 12:45:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 12:45:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 12:45:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 12:45:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 12:45:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 12:45:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 12:45:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 12:45:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 12:45:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:45:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:45:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 12:45:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 12:45:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 12:45:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 12:45:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:45:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:45:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 12:45:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 12:45:49,262 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:45:49,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:45:49 BoogieIcfgContainer [2018-11-18 12:45:49,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:45:49,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:45:49,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:45:49,265 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:45:49,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:45:48" (1/3) ... [2018-11-18 12:45:49,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b1fc47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:45:49, skipping insertion in model container [2018-11-18 12:45:49,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:48" (2/3) ... [2018-11-18 12:45:49,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b1fc47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:45:49, skipping insertion in model container [2018-11-18 12:45:49,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:45:49" (3/3) ... [2018-11-18 12:45:49,267 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-11-18 12:45:49,274 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:45:49,280 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:45:49,290 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:45:49,312 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:45:49,312 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:45:49,312 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:45:49,313 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:45:49,313 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:45:49,313 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:45:49,313 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:45:49,313 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:45:49,327 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-11-18 12:45:49,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 12:45:49,333 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:45:49,334 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:45:49,336 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:45:49,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:45:49,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1254637019, now seen corresponding path program 1 times [2018-11-18 12:45:49,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:45:49,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:45:49,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:45:49,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:45:49,372 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:45:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:49,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:45:49,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:45:49,547 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:45:49,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:45:49,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:45:49,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:45:49,560 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-11-18 12:45:49,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:45:49,587 INFO L93 Difference]: Finished difference Result 220 states and 271 transitions. [2018-11-18 12:45:49,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:45:49,588 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 12:45:49,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:45:49,596 INFO L225 Difference]: With dead ends: 220 [2018-11-18 12:45:49,596 INFO L226 Difference]: Without dead ends: 110 [2018-11-18 12:45:49,599 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:45:49,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-18 12:45:49,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-18 12:45:49,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-18 12:45:49,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2018-11-18 12:45:49,632 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 46 [2018-11-18 12:45:49,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:45:49,633 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2018-11-18 12:45:49,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:45:49,633 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2018-11-18 12:45:49,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:45:49,635 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:45:49,635 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:45:49,636 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:45:49,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:45:49,636 INFO L82 PathProgramCache]: Analyzing trace with hash 127389996, now seen corresponding path program 1 times [2018-11-18 12:45:49,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:45:49,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:45:49,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:45:49,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:45:49,638 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:45:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:49,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:49,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:45:49,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:45:49,727 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:45:49,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:45:49,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:45:49,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:45:49,729 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 3 states. [2018-11-18 12:45:49,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:45:49,748 INFO L93 Difference]: Finished difference Result 163 states and 187 transitions. [2018-11-18 12:45:49,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:45:49,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 12:45:49,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:45:49,750 INFO L225 Difference]: With dead ends: 163 [2018-11-18 12:45:49,750 INFO L226 Difference]: Without dead ends: 100 [2018-11-18 12:45:49,751 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:45:49,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-18 12:45:49,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-11-18 12:45:49,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-18 12:45:49,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2018-11-18 12:45:49,760 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 48 [2018-11-18 12:45:49,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:45:49,760 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2018-11-18 12:45:49,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:45:49,760 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2018-11-18 12:45:49,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 12:45:49,761 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:45:49,761 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:45:49,762 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:45:49,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:45:49,762 INFO L82 PathProgramCache]: Analyzing trace with hash 992413058, now seen corresponding path program 1 times [2018-11-18 12:45:49,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:45:49,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:45:49,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:45:49,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:45:49,763 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:45:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:49,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:49,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:45:49,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:45:49,862 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:45:49,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:45:49,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:45:49,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:45:49,863 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 3 states. [2018-11-18 12:45:49,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:45:49,884 INFO L93 Difference]: Finished difference Result 176 states and 205 transitions. [2018-11-18 12:45:49,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:45:49,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 12:45:49,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:45:49,886 INFO L225 Difference]: With dead ends: 176 [2018-11-18 12:45:49,886 INFO L226 Difference]: Without dead ends: 100 [2018-11-18 12:45:49,887 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:45:49,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-18 12:45:49,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-11-18 12:45:49,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-18 12:45:49,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 113 transitions. [2018-11-18 12:45:49,896 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 113 transitions. Word has length 53 [2018-11-18 12:45:49,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:45:49,896 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 113 transitions. [2018-11-18 12:45:49,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:45:49,896 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2018-11-18 12:45:49,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 12:45:49,898 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:45:49,898 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:45:49,898 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:45:49,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:45:49,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1381617003, now seen corresponding path program 1 times [2018-11-18 12:45:49,899 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:45:49,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:45:49,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:45:49,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:45:49,900 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:45:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:50,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:50,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:45:50,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:45:50,017 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:45:50,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:45:50,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:45:50,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:45:50,018 INFO L87 Difference]: Start difference. First operand 100 states and 113 transitions. Second operand 6 states. [2018-11-18 12:45:50,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:45:50,217 INFO L93 Difference]: Finished difference Result 245 states and 288 transitions. [2018-11-18 12:45:50,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:45:50,218 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-11-18 12:45:50,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:45:50,220 INFO L225 Difference]: With dead ends: 245 [2018-11-18 12:45:50,220 INFO L226 Difference]: Without dead ends: 169 [2018-11-18 12:45:50,221 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:45:50,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-11-18 12:45:50,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 167. [2018-11-18 12:45:50,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-11-18 12:45:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 192 transitions. [2018-11-18 12:45:50,237 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 192 transitions. Word has length 61 [2018-11-18 12:45:50,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:45:50,238 INFO L480 AbstractCegarLoop]: Abstraction has 167 states and 192 transitions. [2018-11-18 12:45:50,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:45:50,238 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 192 transitions. [2018-11-18 12:45:50,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 12:45:50,239 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:45:50,240 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:45:50,240 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:45:50,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:45:50,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1718928601, now seen corresponding path program 1 times [2018-11-18 12:45:50,240 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:45:50,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:45:50,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:45:50,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:45:50,241 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:45:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:50,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:50,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:45:50,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:45:50,345 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:45:50,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:45:50,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:45:50,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:45:50,346 INFO L87 Difference]: Start difference. First operand 167 states and 192 transitions. Second operand 7 states. [2018-11-18 12:45:50,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:45:50,591 INFO L93 Difference]: Finished difference Result 265 states and 312 transitions. [2018-11-18 12:45:50,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:45:50,592 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-18 12:45:50,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:45:50,592 INFO L225 Difference]: With dead ends: 265 [2018-11-18 12:45:50,592 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:45:50,594 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:45:50,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:45:50,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:45:50,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:45:50,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:45:50,595 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-11-18 12:45:50,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:45:50,595 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:45:50,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:45:50,595 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:45:50,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:45:50,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:45:51,081 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 390 397) the Hoare annotation is: true [2018-11-18 12:45:51,081 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 390 397) no Hoare annotation was computed. [2018-11-18 12:45:51,081 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 390 397) no Hoare annotation was computed. [2018-11-18 12:45:51,081 INFO L421 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 12:45:51,082 INFO L421 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 12:45:51,082 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 355) no Hoare annotation was computed. [2018-11-18 12:45:51,082 INFO L421 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 12:45:51,082 INFO L425 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-11-18 12:45:51,082 INFO L425 ceAbstractionStarter]: For program point L343(lines 343 360) no Hoare annotation was computed. [2018-11-18 12:45:51,082 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 339 363) no Hoare annotation was computed. [2018-11-18 12:45:51,082 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 339 363) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:45:51,083 INFO L421 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:45:51,083 INFO L425 ceAbstractionStarter]: For program point L358-1(lines 339 363) no Hoare annotation was computed. [2018-11-18 12:45:51,083 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-18 12:45:51,083 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-18 12:45:51,083 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 331 337) no Hoare annotation was computed. [2018-11-18 12:45:51,083 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 331 337) the Hoare annotation is: true [2018-11-18 12:45:51,083 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-18 12:45:51,083 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-18 12:45:51,083 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-18 12:45:51,084 INFO L425 ceAbstractionStarter]: For program point L896(lines 896 900) no Hoare annotation was computed. [2018-11-18 12:45:51,084 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 848 913) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:45:51,084 INFO L421 ceAbstractionStarter]: At program point L896-2(lines 888 901) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:45:51,084 INFO L425 ceAbstractionStarter]: For program point L859(lines 858 905) no Hoare annotation was computed. [2018-11-18 12:45:51,084 INFO L421 ceAbstractionStarter]: At program point L890(line 890) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:45:51,084 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 901) no Hoare annotation was computed. [2018-11-18 12:45:51,084 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 848 913) no Hoare annotation was computed. [2018-11-18 12:45:51,085 INFO L421 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:45:51,085 INFO L425 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2018-11-18 12:45:51,085 INFO L425 ceAbstractionStarter]: For program point L878-1(lines 878 884) no Hoare annotation was computed. [2018-11-18 12:45:51,085 INFO L421 ceAbstractionStarter]: At program point L903(lines 858 905) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:45:51,085 INFO L421 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:45:51,085 INFO L425 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-11-18 12:45:51,085 INFO L425 ceAbstractionStarter]: For program point L868-1(lines 868 874) no Hoare annotation was computed. [2018-11-18 12:45:51,085 INFO L425 ceAbstractionStarter]: For program point L860(lines 860 864) no Hoare annotation was computed. [2018-11-18 12:45:51,085 INFO L425 ceAbstractionStarter]: For program point L858-1(lines 858 905) no Hoare annotation was computed. [2018-11-18 12:45:51,085 INFO L421 ceAbstractionStarter]: At program point L906(lines 857 907) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:45:51,086 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 848 913) no Hoare annotation was computed. [2018-11-18 12:45:51,086 INFO L421 ceAbstractionStarter]: At program point L289(line 289) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:45:51,086 INFO L421 ceAbstractionStarter]: At program point L289-1(line 289) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:45:51,086 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 294) no Hoare annotation was computed. [2018-11-18 12:45:51,086 INFO L425 ceAbstractionStarter]: For program point L287-1(lines 287 294) no Hoare annotation was computed. [2018-11-18 12:45:51,086 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 277 299) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:45:51,086 INFO L425 ceAbstractionStarter]: For program point L285(line 285) no Hoare annotation was computed. [2018-11-18 12:45:51,086 INFO L421 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:45:51,086 INFO L421 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:45:51,087 INFO L421 ceAbstractionStarter]: At program point L283-1(line 283) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:45:51,087 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 277 299) no Hoare annotation was computed. [2018-11-18 12:45:51,087 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 277 299) no Hoare annotation was computed. [2018-11-18 12:45:51,087 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 409 417) no Hoare annotation was computed. [2018-11-18 12:45:51,087 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 409 417) the Hoare annotation is: true [2018-11-18 12:45:51,087 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 409 417) no Hoare annotation was computed. [2018-11-18 12:45:51,087 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 164 172) no Hoare annotation was computed. [2018-11-18 12:45:51,087 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2018-11-18 12:45:51,087 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2018-11-18 12:45:51,087 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:45:51,087 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 12:45:51,087 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:45:51,087 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 467) no Hoare annotation was computed. [2018-11-18 12:45:51,088 INFO L428 ceAbstractionStarter]: At program point L461(line 461) the Hoare annotation is: true [2018-11-18 12:45:51,088 INFO L425 ceAbstractionStarter]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2018-11-18 12:45:51,088 INFO L425 ceAbstractionStarter]: For program point L461-1(line 461) no Hoare annotation was computed. [2018-11-18 12:45:51,088 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 454 472) the Hoare annotation is: true [2018-11-18 12:45:51,088 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 454 472) no Hoare annotation was computed. [2018-11-18 12:45:51,088 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 454 472) no Hoare annotation was computed. [2018-11-18 12:45:51,088 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:45:51,088 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2018-11-18 12:45:51,088 INFO L425 ceAbstractionStarter]: For program point L115-1(lines 111 122) no Hoare annotation was computed. [2018-11-18 12:45:51,088 INFO L421 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:45:51,088 INFO L421 ceAbstractionStarter]: At program point L318(lines 318 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:45:51,089 INFO L421 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 12:45:51,089 INFO L425 ceAbstractionStarter]: For program point L311(lines 310 329) no Hoare annotation was computed. [2018-11-18 12:45:51,089 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 307 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:45:51,089 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 307 330) no Hoare annotation was computed. [2018-11-18 12:45:51,089 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 307 330) no Hoare annotation was computed. [2018-11-18 12:45:51,089 INFO L425 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2018-11-18 12:45:51,089 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 204 233) no Hoare annotation was computed. [2018-11-18 12:45:51,089 INFO L425 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2018-11-18 12:45:51,089 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 204 233) the Hoare annotation is: true [2018-11-18 12:45:51,089 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2018-11-18 12:45:51,089 INFO L428 ceAbstractionStarter]: At program point L218-1(lines 218 222) the Hoare annotation is: true [2018-11-18 12:45:51,089 INFO L425 ceAbstractionStarter]: For program point L214-1(lines 214 228) no Hoare annotation was computed. [2018-11-18 12:45:51,089 INFO L428 ceAbstractionStarter]: At program point L214-3(lines 214 228) the Hoare annotation is: true [2018-11-18 12:45:51,090 INFO L428 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: true [2018-11-18 12:45:51,090 INFO L425 ceAbstractionStarter]: For program point L210-1(line 210) no Hoare annotation was computed. [2018-11-18 12:45:51,090 INFO L428 ceAbstractionStarter]: At program point L229(lines 204 233) the Hoare annotation is: true [2018-11-18 12:45:51,090 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 123 131) the Hoare annotation is: true [2018-11-18 12:45:51,090 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 123 131) no Hoare annotation was computed. [2018-11-18 12:45:51,090 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2018-11-18 12:45:51,090 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2018-11-18 12:45:51,090 INFO L425 ceAbstractionStarter]: For program point L91-1(lines 87 98) no Hoare annotation was computed. [2018-11-18 12:45:51,090 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2018-11-18 12:45:51,090 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-18 12:45:51,090 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-18 12:45:51,090 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 259 265) no Hoare annotation was computed. [2018-11-18 12:45:51,091 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 259 265) the Hoare annotation is: true [2018-11-18 12:45:51,091 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:45:51,091 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0))) [2018-11-18 12:45:51,091 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:45:51,091 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:45:51,091 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 473 480) no Hoare annotation was computed. [2018-11-18 12:45:51,091 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 473 480) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) [2018-11-18 12:45:51,091 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 473 480) no Hoare annotation was computed. [2018-11-18 12:45:51,091 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2018-11-18 12:45:51,091 INFO L425 ceAbstractionStarter]: For program point L103-1(lines 99 110) no Hoare annotation was computed. [2018-11-18 12:45:51,091 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: true [2018-11-18 12:45:51,091 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 915 922) no Hoare annotation was computed. [2018-11-18 12:45:51,092 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed. [2018-11-18 12:45:51,092 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 915 922) the Hoare annotation is: true [2018-11-18 12:45:51,092 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 915 922) no Hoare annotation was computed. [2018-11-18 12:45:51,092 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 267 276) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:45:51,092 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 267 276) no Hoare annotation was computed. [2018-11-18 12:45:51,092 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 267 276) no Hoare annotation was computed. [2018-11-18 12:45:51,092 INFO L421 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0)) [2018-11-18 12:45:51,092 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2018-11-18 12:45:51,092 INFO L425 ceAbstractionStarter]: For program point L188(lines 188 194) no Hoare annotation was computed. [2018-11-18 12:45:51,093 INFO L421 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 12:45:51,093 INFO L425 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-11-18 12:45:51,093 INFO L425 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2018-11-18 12:45:51,093 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2018-11-18 12:45:51,093 INFO L425 ceAbstractionStarter]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2018-11-18 12:45:51,093 INFO L428 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2018-11-18 12:45:51,093 INFO L425 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-18 12:45:51,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:45:51 BoogieIcfgContainer [2018-11-18 12:45:51,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:45:51,104 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:45:51,104 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:45:51,104 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:45:51,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:45:49" (3/4) ... [2018-11-18 12:45:51,108 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:45:51,114 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 12:45:51,114 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 12:45:51,114 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 12:45:51,114 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 12:45:51,114 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 12:45:51,114 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 12:45:51,114 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:45:51,115 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 12:45:51,115 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 12:45:51,115 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:45:51,115 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 12:45:51,115 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 12:45:51,115 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 12:45:51,115 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 12:45:51,115 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 12:45:51,115 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 12:45:51,115 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 12:45:51,115 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 12:45:51,116 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 12:45:51,116 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 12:45:51,116 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 12:45:51,116 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 12:45:51,116 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 12:45:51,122 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 12:45:51,122 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 12:45:51,123 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 12:45:51,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((!(systemActive == 0) && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 12:45:51,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-11-18 12:45:51,171 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_99898866-37f7-477e-a3d8-ac68c6b47187/bin-2019/utaipan/witness.graphml [2018-11-18 12:45:51,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:45:51,171 INFO L168 Benchmark]: Toolchain (without parser) took 2819.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.8 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -214.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:45:51,172 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:45:51,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:45:51,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:45:51,173 INFO L168 Benchmark]: Boogie Preprocessor took 23.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:45:51,173 INFO L168 Benchmark]: RCFGBuilder took 484.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:45:51,173 INFO L168 Benchmark]: TraceAbstraction took 1841.24 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 85.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -139.2 MB). Peak memory consumption was 270.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:45:51,174 INFO L168 Benchmark]: Witness Printer took 66.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:45:51,176 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 484.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1841.24 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 85.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -139.2 MB). Peak memory consumption was 270.9 MB. Max. memory is 11.5 GB. * Witness Printer took 66.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 919]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((!(systemActive == 0) && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 123 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 552 SDtfs, 243 SDslu, 616 SDs, 0 SdLazy, 222 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 231 PreInvPairs, 246 NumberOfFragments, 481 HoareAnnotationTreeSize, 231 FomulaSimplifications, 90 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 707 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 28556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...